Science 3rd Quarter Benchmark Review

What is a divergent plate boundary?

• A boundary where two tectonic plates move away from each other.

• A boundary where two tectonic plates collide.

• A boundary where tectonic plates slide past each other.

• A boundary where tectonic plates are stationary.

What is the Gulf Stream?

• A warm ocean current that flows from the Gulf of Mexico along the eastern coast of the United States and across the Atlantic Ocean.

• A cold ocean current that flows from the Arctic Ocean down to the Caribbean Sea.

• A tidal wave that occurs in the Gulf of Mexico during hurricane season.

• A freshwater river that runs through the Gulf of Mexico.

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NGSS.MS-ESS2-6

How does salinity affect ocean life?

• Different organisms thrive in different salinity levels; too much or too little can be harmful.

• All ocean life can survive in any salinity level without harm.

• Salinity has no effect on ocean life; all organisms are unaffected.

• Higher salinity levels always benefit ocean organisms.

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What happens at a transform boundary?

• Earthquakes often occur due to the friction between sliding plates.

• Volcanoes are formed as tectonic plates collide.

• New crust is created as plates pull apart.

• Mountain ranges are formed due to plate convergence.

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NGSS.MS-ESS3-2

What is the importance of studying plate tectonics?

• It helps us understand climate change and weather patterns.

• It helps us understand earthquakes, volcanic activity, and the formation of mountains.

• It helps us understand ocean currents and marine life.

• It helps us understand the history of human civilization.

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In the blackout curtains experiment, what is the dependent variable?

• The amount of sleep.

• The duration of the experiment.

• The type of curtains used.

• The number of participants.

What is the scientific method?

• A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

• A random approach to solving problems without any structured methodology.

• A method used exclusively in laboratory settings for conducting experiments.

• A philosophical approach to understanding the universe without empirical evidence.

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True or False: The Gulf Stream travels mainly on the bottom of the ocean floor.

• True

• False

• It travels at the surface of the ocean

• It travels in the middle of the ocean

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NGSS.MS-ESS2-6

What is the independent variable in an experiment?

• The factor that is changed or controlled to test its effects on the dependent variable.

• The variable that remains constant throughout the experiment.

• The outcome that is measured in response to changes in the independent variable.

• The variable that is manipulated to observe its effect on the control group.

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What are the three types of plate boundaries?

• Convergent, Divergent, Transform

• Convergent, Subductive, Divergent

• Transform, Divergent, Convergent

• Divergent, Convergent, Collisional